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Displaying items by tag: Dredging

#IrishHarbours - Concerns over rising silt levels in Howth Harbour have made the pages of the Swords Gazette, which quotes the Harbour Users Action Group as saying launches at low water on a spring tide are now impossible.

Not only is the harbour's busy fishing industry under threat, but coastguard and lifeboat rescues – the harbour is home to Howth RNLI – could also be affected.

"The potential for that is very serious," said the group's Brian Turvey, who claims that various Governments have passed the buck for responsibility since the harbour was last dredged in the early 1980s.

"We've got to the stage now where we have about a metre and a half of silt accumulated," he added, noting the problems that poses for boats with deeper keels.

His comments echo a recent statement by local TD Tommy Broughan, who said it is "critical that the harbour does not become unworkable as a result of the build-up of silt".

Published in Irish Harbours

#IrishHarbours - Concerns expressed by a number of readers to Afloat.ie over fishing activity in Dun Laoghaire's inner harbour have been assuaged by the Dun Laoghaire Harbour Company.

Two trawlers were spotted around noon last Friday (4 December) dragging a full-sized fishing net between them around the inner harbour.

But Dun Laoghaire's acting harbour master Simon Coate has since confirmed to Afloat.ie that the boats in question were fishing with permission for sprat.

Coate added that the forage fish species comes into the harbour in large numbers on a regular basis at this time of year.

Harbour concerns of a different kind have been heard in Howth, with local TD Tommy Broughan taking the Department of the Marine to task over the lack of any timetable or specific funding for dredging the harbour area - where local yacht club users have found conditions getting worse.

In a post on his website, Deputy Broughan said he was "contacted by members of the Howth Harbour Users Action Group who are very concerned about the build-up of silt in the harbour and the damaging effect this is having on all aspects of this important harbour.

"Howth Harbour has not been dredged for decades. I understand it was last dredged in 1981 or 1982 and I do not recall a dredging programme in the harbour in many years representing the area.

"The action group reports that this neglect has led to almost 6ft of silt building up in the harbour and an operational crisis for all the fishing and leisure craft which use it."

While welcoming investment in infrastructural works at the fishery harbour centre, Deputy Broughan underlines that it is "critical that the harbour does not become unworkable as a result of the build-up of silt".

Read more on this story HERE.

#sligoharbour – Utilising Sligo Harbour to the best affect is the vexed question confronting Sligo County Council who face dredging costs 'in the region of €5m'. The problem is that if the council invested that figure, there is doubt if they could recover that from the Harbour, according to a report of a Council meeting carried by the Sligo Champion.

Councillors were told that the money required for the next stage of Sligo Harbour acquiring its Dumping at Sea Licence was not available. Earlier this year, the Department of the Environment granted a licence under the Foreshore Act to allow the council to undertake dredging works at Sligo Harbour.

The following phase requires the harbour getting a Dumping at Sea Licence from the Environmental Protection Agency.

However, at last week's budget meeting, it became clear that the €12,000 for this phase was not available.

Sligo Champion has much more on the story here 

Published in Ports & Shipping
Tagged under

#RosslareDredging - Sospan Dau a Dutch dredger has recently started work in Rosslare Europort where as previously reported, sand of around 100,000m3 is to be removed from the breakwater, writes Jehan Ashmore.

The harbour's port authority in Rosslare Europort, Iarnród Éireann was allocated funding of €1.4m to contract out the works and is to take some three weeks to complete. Previous sand accumulation at the breakwater has normally been just 11,000m3.

The 1978 built Sospan Dau is transferring the dredged sand to an area just outside the low-water off Rosslare Strand. The sand is understood to be expected to be naturally carried ashore and replenish the beach.

The accumulated sand built up at the Wexford port arose due to severe storms within a fortnight during January and February. A buoy was positioned to mark off this restricted area, for photo click here.

Accompanying the 1,546 tonnes trailing suction hopper dredger is the Irish flagged workboat tug Trojan which has carried out many projects among them the construction of the new Kilronan Harbour on Inishmore, Aran Islands.

 

 

 

Published in Rosslare Europort

#CitySmell - Strong smells affecting Cork city for the past four days are being blamed due to dredging works near the city quays.

The Environmental Protection Agency (EPA), which monitors air quality in the city, said the disturbance of marine sediments could give rise to a release of hydrogen sulphide, which would explain the sulphur or rotten eggs odour.

Shoppers, business owners and visitors to Cork have all reported a foul smell at various locations since Saturday. For more on this the Evening Echo has a report.

 

Published in Coastal Notes

#ArklowHarbour - Arklow Harbour is set to be dredged for the first time in 15 years this June after a €2.2 million contract for the job with Clare-based L&M Keating Ltd was officially signed earlier this month.

Wicklow News reports that the works were finally approved after a permit from the Environmental Protection Agency (EPA) for dumping an expected 60,000 tonnes of dredged soil from the harbour out at sea.

Arklow mayor Tommy Annesley said the dredging plans, which follow similar works in Wicklow Harbour, showed a “great commitment to the future of Arklow Port”.

Wicklow News has more on the story HERE.

Published in Irish Harbours
Tagged under

#INLAND WATERWAYS - Trial dredging operations to curtail the spread of Asian clams at designated sites in the lower River Barrow are set to conclude today.

Inland Fisheries Ireland (IFI) employed the use of a a traditional cockle harvesting boat to physically remove the clams from the river bed, in an effort to explore methods of controlling or eradicating what it describes as an "ecosystem-changing invader" in other infested waters.

IFI scientists supervised the trials, using teams of divers to quantify the result of the dredging efforts.

The Asian clam (Corbicula fluminea) is "a most unwelcome addition to the fauna of the lower River Barrow". The bivalve mollusc is regarded as "one of the most notorious aquatic invasive species in the world".

First recorded in the river downstream of St Mullin’s in April 2010, subsequent IFI studies have revealed that the Asian clam is firmly established in the lower Barrow and in the River Nore downstream of Inistioge. Populations have also been recorded in the River Shannon and in Lough Derg.

In one section of the River Barrow the clam has achieved a "staggering" density of almost 10,000 per square metre.

Dr Joe Caffrey, senior scientist with IFI, said of the trial dregding: “It is imperative that every effort is made to control the expansion and spread of this highly adept invasive species.

"The results from these trials will inform future national management plans for this most unwelcome non-native species and will, at the very least, dramatically reduce the numbers of individuals in the test sites.

He added: "In tandem with these trials, research effort is being focused at producing other control methods that can be targeted as this species.”

Published in Inland Waterways
2nd September 2011

Welcome Boon for the River Moy

The New York Times recently paid a visit to the River Moy in Co Sligo, where angling has experienced a resurgance in recent years.
Since the ban on drift netting off Irish shores in 2007, salmon numbers in the Moy have risen to 75,000 annually, according to Inland Fisheries Ireland.
It's a welcome boon for the River Moy, which also suffered the effects of dregding for agricultural purposes in the 1960s which "cripped much of the integrity of the river’s substrata away, creating the equivalent of a featureless canal through much of its course."
Weirs and spawning gravel in tributary streams have helped the Moy to recover some of its former glory, and the river now welcomes thousands of anglers each year - especially to the top spots in Ballina town centre.
The New York Times has more on the story HERE.

The New York Times recently paid a visit to the River Moy in Co Sligo, where angling has experienced a resurgance in recent years.

Since the ban on drift netting off Irish shores in 2007, salmon numbers in the Moy have risen to 75,000 annually, according to Inland Fisheries Ireland.

It's a welcome boon for the River Moy, which also suffered the effects of dregding for agricultural purposes in the 1960s which "cripped much of the integrity of the river’s substrata away, creating the equivalent of a featureless canal through much of its course."

Weirs and spawning gravel in tributary streams have helped the Moy to recover some of its former glory, and the river now welcomes thousands of anglers each year - especially to the top spots in Ballina town centre.

The New York Times has more on the story HERE.

Published in Angling
Today's Irish Times looks into the lives of people who've made their homes on or near Dublin's canals.
One resident is Breffnie O'Kelly of Percy Place, whose back garden abuts the banks of the Grand Canal - which has experienced a revival in recent years, with dredging work now completed and a new cycle path on the way.
O'Kelly is also a member of the Friends of the Grand Canal Group, which meets regularly to keep their stretch of the canal clean.
Another voice singing the praises of the canal is author John Banville, who has set much of his crime fiction in the area around Lower Mount Street, where he himself lived for a time.
The Irish Times has more on the story HERE.

Today's Irish Times looks into the lives of people who've made their homes on or near Dublin's canals.

One resident is Breffnie O'Kelly of Percy Place, whose back garden abuts the banks of the Grand Canal - which has experienced a revival in recent years, with dredging work now completed and a new cycle path on the way. 

O'Kelly is also a member of the Friends of the Grand Canal Group, which meets regularly to keep their stretch of the canal clean.

Another voice singing the praises of the canal is author John Banville, who has set much of his crime fiction in the area around Lower Mount Street, where he himself lived for a time.

The Irish Times has more on the story HERE.

Published in Inland Waterways
Waterways Ireland has confirmed that further dredging of the Grand Canal in Dublin will commence this month and continue till the end of April.
The canal will be closed to navigation from Lock C4 at Baggot Street to Lock 1 at Suir Road for the removal of sediment and rubbish between Mespil Road and Portobello Harbour, making the canal navigable for a large range of boats.
Traffic management plans have been agreed with Dublin City Council to keep disruption to a minimum, and discussions have taken place with the National Parks and Wildlife Service on measures to minimise the impact on sensitive habitats along the canal.

Waterways Ireland has confirmed that further dredging of the Grand Canal in Dublin will commence this month and continue till the end of April on the inland waterway.

The canal will be closed to navigation from Lock C4 at Baggot Street to Lock 1 at Suir Road for the removal of sediment and rubbish between Mespil Road and Portobello Harbour, making the canal navigable for a large range of boats.

Traffic management plans have been agreed with Dublin City Council to keep disruption to a minimum, and discussions have taken place with the National Parks and Wildlife Service on measures to minimise the impact on sensitive habitats along the canal.

Published in Inland Waterways
Page 3 of 4

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